<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form :model="regForm" :rules="regRules" ref="regFormRef" class="demo-ruleForm">
        <el-form-item  prop="username">
          <el-input v-model="regForm.username" placeholder="用户名" prefix-icon="el-icon-user"></el-input>
        </el-form-item>
        <el-form-item  prop="password">
          <el-input v-model="regForm.password" placeholder="密码" prefix-icon="el-icon-lock" type="password"></el-input>
        </el-form-item>
        <el-form-item  prop="repassword">
          <el-input v-model="regForm.repassword" placeholder="确认密码" prefix-icon="el-icon-lock" type="password"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" class="btn-reg" @click="regUser">注册</el-button>
          <el-link type="primary" @click="$router.push('/login')">去登录</el-link>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Reg',
  data(){
    const somePow = (rule, value, callback) => {
        if (value !== this.regForm.password) {
          callback(new Error('两次输入密码不一致!'))
        } else {
          callback()
        }
      }
    return{
      regForm:{
        username:'',
        password:'',
        repassword:''
      },
      regRules:{
        username:[
           { required: true, message: '请输入用户名', trigger: 'blur' },
           { pattern: /^[a-zA-Z0-9]{1,10}$/, message: '用户名必须是1-10字母数字', trigger: 'blur' }
        ],
        password:[
          { required: true, message: '请输入密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '密码必须是6-15的非空字符', trigger: 'blur' }
        ],
        repassword:[
          { required: true, message: '请输入确认密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '密码必须是6-15的非空字符', trigger: 'blur' },
          { validator: somePow, trigger: 'blur' }

        ]
      }
    }
  },
  methods:{
    regUser(){
      // 对表单数据进行兜底校验
      this.$refs.regFormRef.validate(async valid =>{
        // 校验失败
        if(!valid) return
        // 表单数据校验通过,发送ajax请求
        const {data:res} = await this.$http({
          method:'post',
          url:'/api/reg',
          data:{
            // username:this.regForm.username,
            // password:this.regForm.password,
            // repassword:this.regForm.repassword
            ...this.regForm
          }
        })
        // 提示用户注册失败
        if(res.code !== 0) return this.$message.error(res.message)
        // 注册成功
        this.$message.success(res.message)
        // 跳转登录页面
        this.$router.push('/login')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.reg-container {
  background: url('../../assets/images/login_bg.jpg') center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    padding: 0 30px;
    box-sizing: border-box;

    .title-box {
      height: 60px;
      background: url('../../assets/images/login_title.png') center no-repeat;
    }

    .btn-reg {
      width: 100%;
    }
  }
}
</style>
